Data Sources

The DC Preservation Catalog combines property-level data from national sources with local data to provide as complete a picture as possible of assisted housing in the District of Columbia. The following data sources are updated regularly and incorporated into the Catalog:

Section 8 Multifamily Data
The Multifamily Assistance and Section 8 Database is provided at the project level by the U.S. Department of Housing and Urban Development. The Section 8 program funds project-based rental assistance for residential units; or assistance tied to a specific rental property for a contractually determined period. Section 8 programs include New Construction, Substantial Rehabilitation, and Loan Management Set-Aside programs.

Insured Multifamily Mortgages Database
The Insured Multifamily Mortgages Database is provided at the project level by the U.S. Department of Housing and Urban Development. Insured Multifamily Mortgages are FHA-insured for HUD-approved lenders. Insured mortgages can be used to finance construction or rehabilitation of rental or cooperative housing.

REAC Physical Inspection Scores
Physical Inspection Scores are provided at the project level by the U.S. Department of Housing and Urban Development. HUD’s Real Estate Assessment Center inspects properties that are owned, insured, or subsidized by HUD. Inspectors score properties and follow up on inspections based on the initial inspection scores.

LIHTC Database
The Low-Income Housing Tax Credit database is provide at the project level by the U.S. Department of Housing and Urban Development’s Office of Policy Development and Research. HUD created the tax credits for the acquisition, rehabilitation, or new construction of rental housing.

The Catalog also contains data from sources without regularly available updates. The following sources have been used to provide data for the Catalog in the past, but are not regularly updated:

202 Direct Loans
This database is provided at the project level by the U.S. Department of Housing and Urban Development was last updated on September 24, 2015. The Section 202 Direct Loan program was created to provide loans to private, nonprofit corporations and consumer cooperatives developing new or substantially rehabilitated housing facilities.

A Picture of Subsidized Housing
The Picture of Subsidized Housing database is provided for each year through 2015 and is published by the U.S. Department of Housing and Urban Development’s Office of Policy Development and Research.

Local Data
The DC Preservation Catalog contains data from the DC Housing Authority, the DC Housing Finance Agency, the DC Department of Housing and Community Development, the DC Office of Tax and Revenue, and the DC Office of the Chief Technology Officer. The Catalog also incorporates knowledge from the members of the DC Preservation Network through project-level comments.